Search Results - "Bieryla, Allyson"
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A noninteracting low-mass black hole-giant star binary system
Published in Science (American Association for the Advancement of Science) (01-11-2019)“…Black hole binary systems with companion stars are typically found via their x-ray emission, generated by interaction and accretion. Noninteracting binaries…”
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2
A disintegrating minor planet transiting a white dwarf
Published in Nature (London) (22-10-2015)“…The atmospheres of white dwarfs often contain elements heavier than helium, even though these elements would be expected to settle into the stars’ interiors;…”
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3
From Discovery to the First Month of the Type II Supernova 2023ixf: High and Variable Mass Loss in the Final Year before Explosion
Published in Astrophysical journal. Letters (01-09-2023)“…Abstract We present the discovery of the Type II supernova SN 2023ixf in M101 and follow-up photometric and spectroscopic observations, respectively, in the…”
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4
Probing the Origin of Changing-look Quasar Transitions with Chandra
Published in The Astrophysical journal (01-08-2023)“…Abstract Extremely variable quasars can also show strong changes in broad-line emission strength and are known as changing-look quasars (CLQs). To study the…”
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5
False Planets around Giant Stars: A Case Study of Sanders 364 in M67
Published in The Astronomical journal (01-10-2023)“…Abstract Discovering planets in sparsely populated regions of parameter space is crucial to improving our understanding of planetary formation and evolution…”
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The K2 and TESS Synergy. III. Search and Rescue of the Lost Ephemeris for K2's First Planet
Published in The Astronomical journal (01-10-2024)“…Abstract K2-2 b/HIP 116454 b, the first exoplanet discovery by K2 during its Two-Wheeled Concept Engineering Test, is a sub-Neptune (2.5 ± 0.1 R ⊕ , 9.7 ± 1.2…”
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7
Limits on Simultaneous and Delayed Optical Emission from Well-localized Fast Radio Bursts
Published in Astrophysical journal. Letters (01-04-2023)“…Abstract We present the largest compilation to date of optical observations during and following fast radio bursts (FRBs). The data set includes our dedicated…”
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8
The Occurrence of Small, Short-period Planets Younger than 200 Myr with TESS
Published in The Astronomical journal (01-05-2024)“…Abstract Within the first few hundreds of millions of years, many physical processes sculpt the eventual properties of young planets. NASA’s Transiting…”
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9
Multiwavelength Transit Observations of the Candidate Disintegrating Planetesimals Orbiting WD 1145+017
Published in The Astrophysical journal (10-02-2017)“…We present multiwavelength, ground-based follow-up photometry of the white dwarf WD 1145+017, which has recently been suggested to be orbited by up to six or…”
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10
TESS Giants Transiting Giants. III. An Eccentric Warm Jupiter Supports a Period−Eccentricity Relation for Giant Planets Transiting Evolved Stars
Published in The Astronomical journal (01-02-2023)“…Abstract The fate of planets around rapidly evolving stars is not well understood. Previous studies have suggested that, relative to the main-sequence…”
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11
TOI-1859b: A 64 Day Warm Jupiter on an Eccentric and Misaligned Orbit
Published in Astrophysical journal. Letters (01-07-2023)“…Abstract Warm Jupiters are close-in giant planets with relatively large planet–star separations (i.e., 10 < a / R ⋆ < 100). Given their weak tidal interactions…”
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12
Independent Validation of the Temperate Super-Earth HD 79211 b using HARPS-N
Published in The Astronomical journal (01-02-2023)“…Abstract We present high-precision radial velocities (RVs) from the HARPS-N spectrograph for HD 79210 and HD 79211, two M0V members of a gravitationally bound…”
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13
Multiepoch Detections of the Extended Atmosphere and Transmission Spectra of KELT-9b with a 1.5 m Telescope
Published in The Astronomical journal (01-03-2023)“…Abstract Irradiated Jovian atmospheres are complex and dynamic and can undergo temporal variations due to the close proximity of their parent stars. Of the…”
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14
Verification of Gaia Data Release 3 Single-lined Spectroscopic Binary Solutions With Three Transiting Low-mass Secondaries
Published in The Astronomical journal (01-12-2023)“…Abstract While secondary mass inferences based on single-lined spectroscopic binary (SB1) solutions are subject to sin i degeneracies, this degeneracy can be…”
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15
The K2 and TESS Synergy. II. Revisiting 26 Systems in the TESS Primary Mission
Published in The Astronomical journal (01-04-2023)“…Abstract The legacy of NASA’s K2 mission has provided hundreds of transiting exoplanets that can be revisited by new and future facilities for further…”
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16
TOI-4600 b and c: Two Long-period Giant Planets Orbiting an Early K Dwarf
Published in Astrophysical journal. Letters (01-09-2023)“…Abstract We report the discovery and validation of two long-period giant exoplanets orbiting the early K dwarf TOI-4600 ( V = 12.6, T = 11.9), first detected…”
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17
An extremely energetic supernova from a very massive star in a dense medium
Published in Nature astronomy (01-09-2020)“…The interaction of a supernova with a circumstellar medium (CSM) can dramatically increase the emitted luminosity by converting kinetic energy to thermal…”
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18
A population of neutron star candidates in wide orbits from Gaia astrometry
Published in The open journal of astrophysics (15-07-2024)“…We report discovery and spectroscopic follow-up of 21 astrometric binaries containing solar-type stars and dark companions with masses near 1.4 M ⊙ . The…”
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A 1.9 solar-mass neutron star candidate in a 2-year orbit
Published in The open journal of astrophysics (17-04-2024)“…We report discovery and characterization of a main-sequence G star orbiting a dark object with mass 1.90 ± 0.04 M ⊙ . The system was discovered via Gaia…”
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An extremely energetic supernova from a very massive star in a dense medium
Published in Nature astronomy (13-04-2020)Get full text
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